Antenna



FIG. 1 is a top perspective view of an antenna showing my new design;

FIG. 2 is a front view thereof, the rear view, right side view, and leftside view being identical thereto;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a bottom perspective view thereof.

CLAIM The ornamental design for an antenna, as shown and described.